New Construction in Waterville, ME
Complete rough-in and trim-out for new homes and additions across Central Maine — on schedule and to code.
New Construction for Waterville Homeowners
Need new construction in Waterville? RJC Plumbing runs out of Augusta and covers Waterville routinely, so a technician who already understands the area's homes shows up, not someone learning it on the job.
RJC Plumbing provides complete plumbing system installations for new construction projects across Central Maine, coordinating with builders to ensure every pipe, fixture, and connection is installed right the first time.

What does our new construction plumbing include?
We install the full plumbing system for new homes, additions and garage apartments: underground drain and water lines, above-ground drain, waste and vent piping, supply lines, the water heater, and fixture trim-out.
We also plumb for hydronic heat — boilers and baseboard — when the job calls for it, and set well pressure tanks and water treatment on homes outside municipal water. One trade, one point of contact for the builder.
Our customers include general contractors building in Augusta, Manchester, Winthrop and the surrounding towns, and owner-builders who need a plumber that returns calls and shows up on the day promised.
How does the new construction process work?
Underground: after the foundation is in and before the slab, we set the below-grade drain lines, cleanouts and water service entry. Photos are taken before backfill.
Rough-in: once the frame is up, we run supply and drain-waste-vent lines, stub out every fixture location, set tub and shower units, and pressure-test for inspection.
Trim-out: after drywall, paint and cabinets, we return to set toilets, faucets, sinks, the water heater and any remaining fixtures, then test every connection.
Why do venting and pipe sizing matter?
Undersized drains and missing vents are behind most "the new house already has plumbing problems" calls. We size lines by fixture units and lay out venting so every trap holds its seal.
Maine winters also decide where lines can run. We keep supply piping out of exterior walls and unheated spaces, and insulate where a line has no other route.
Working with builders and homeowners
We review the plans early, flag conflicts with framing or HVAC before they are built, and keep to the schedule so the next trade is not waiting on us.
For owner-builders we walk you through fixture selection and rough-in dimensions so what you order fits what we installed.

Why Waterville Chooses RJC Plumbing
- We run trucks through Waterville regularly, not as an occasional out-of-area trip
- Every job starts with a free estimate, no obligation attached
- Active leaks, burst pipes and no-water calls go to the front of the line
- Licensed, insured, and background-checked, with a real person answering the phone
Waterville's Homes and Plumbing
About seven in ten Waterville homes heat with oil, so many basements have an indirect or tankless coil tied to the boiler, or an aging electric tank beside it. When the tank starts leaking or the hot water runs out too fast, our water heater installation work covers tank, tankless and hybrid heat-pump units, and we will talk through which one fits your space and fuel.
Plumbing work that needs a permit in Waterville goes through the city’s Code Enforcement Office. For planned projects such as a bathroom remodel or a kitchen update, we give you a free estimate and an upfront price before any work begins. To compare nearby towns, see all of our Central Maine service areas.
Family-Owned, Not a Franchise
We are an independent, family-owned plumbing company working out of Augusta, not a franchise routing your Waterville call through a call center. The company is small enough that the person who quotes the job is often the one who does it. We would rather earn the next call than upsell this one.
Waterville at a Glance
What the housing stock, water and sewer setup mean for a plumbing job here.
15,828
Population (Census / ACS estimate)
Median year built: 1959
A mix of galvanized, copper and early PEX, depending on when a section was last replaced.
Water
Kennebec Water District (KWD)
Sewer
Waterville Sewerage District with Kennebec Sanitary Treatment District
Natural Gas
Summit Natural Gas of Maine
Code Office
City of Waterville Code Enforcement Office
Main Heating Fuels (relevant to water heater choice)
- Heating oil 70%
- Electricity 13%
- Natural gas 8%
- Other 9%
Sources: en.wikipedia.org · api.censusreporter.org · waterville-me.gov · kennebecwater.org · watervillesd.com · kstd.com
Codes & Permits for New Construction in Waterville
In Waterville, plumbing permits come from the Local Plumbing Inspector at the City of Waterville Code Enforcement Office (7 College Avenue, Waterville, ME 04901, 207-680-4208). With 15,828 residents, Waterville is required to enforce the Maine Uniform Building and Energy Code (MUBEC). The Messalonskee Stream also drains the city in addition to the Kennebec River, a factor in local shoreland zoning and drainage.
- Buried water service lines and other freeze-sensitive plumbing in new construction are expected to go in below the local frost line under the International Residential Code provisions Maine adopted via MUBEC (2021 IRC, effective April 7, 2025); the exact burial depth follows local frost-depth practice rather than one statewide number. www11.maine.gov
- New-construction plumbing in Maine towns is inspected in at least two stages under the local code office's process: a rough-in inspection before walls are closed in during framing, and a final/occupancy inspection once fixtures are connected. townofnaples.org
- The Maine Plumbers' Examining Board (within the Office of Professional and Occupational Regulation, Department of Professional and Financial Regulation) licenses plumbers statewide and maintains the plumbing rules and laws (Title 32, Chapter 49); day-to-day permit issuance and inspection for a given town is carried out locally by a Local Plumbing Inspector (LPI), who is often the same person as the municipality's Code Enforcement Officer. maine.gov
How RJC Plumbing Handles New Construction in Waterville
- A new construction job here goes through the same two stops most Maine towns require: a rough-in inspection before the walls close up, then a final once every fixture is connected.
- Buried water service gets set below the local frost line, per the 2021 residential code Maine adopted for new construction — we build to local frost-depth practice, not a guess.
- Waterville's population (15,828) puts it above the threshold where Maine requires full building-and-energy-code enforcement, which runs alongside the plumbing permit on a new build.
- We coordinate rough-in and final inspections directly with City of Waterville Code Enforcement Office so a new construction job never sits waiting on a missed call.
The wooded Mayflower Hill Drive entrance to the Colby College campus in Waterville.
Street View © Google
“very thorough and professional. took the time to explain possibility of results, I would use their service again and recommend to anyone”
emily h
September 2026
“Great communication and service. Josh provided an estimated arrival time on the day and was on time. The service was quick and professional. I also really liked that there was someone on the office. Madison provided excellent updates and communication.”
Daniel Philbrick
July 2026
“Great service and communication! I've been very pleased with their work!”
Marina Savage
July 2026
“Riley and his crew are awesome guys! They handled all the plumbing in our new bathroom. They were efficient and finished the project in the timeframe they had quoted. Riley and his guys made us feel so comfortable that we left him at our home alone while we ran errands.”
Michael Giroux
June 2026
“RJC came to do all the plumbing for our new bathroom. They always came on time and their professionalism was particularly noteworthy. They also kept their workspace clean and were respectful of our home. I would highly recommend them.”
Mudiwa Mupotsa-Giroux
June 2026
“Riley called to let us know when he would arrive. He was very knowledgeable, polite, and answered all of our questions. The work completed was very professional and thorough. We hope to use them again.”
Paul Perzanoski
June 2026
New Construction Questions from Waterville Homeowners
Do you work with general contractors or directly with homeowners?
Both. Most of our new-construction work comes through builders, but we also work directly with owner-builders and homeowners managing an addition.
Can you quote from a set of plans?
Yes. Send the plans and fixture schedule and we will return a written quote covering underground, rough-in and trim-out, with allowances noted where fixtures are not yet selected.
Do you handle the plumbing inspections?
We schedule and are present for the rough-in and final plumbing inspections required by the town, and we correct anything the inspector flags.
Do you install boilers and radiant or baseboard heat?
Yes. We install boilers, hydronic baseboard and the piping for radiant systems as part of a new build or addition.
What about homes on a well?
We set the pressure tank, pressure switch and any water treatment equipment and tie the well line into the house. Well drilling itself is done by a well driller.
How far in advance should we book?
Call once you have a foundation date. Underground and rough-in have to fit between other trades, and a few weeks of notice keeps your build on schedule.
More Services in Waterville
RJC Plumbing handles every plumbing need for Waterville homeowners, not just new construction.
Need New Construction in Waterville?
Call now or request a free estimate below, and we will get back to you promptly.
Get a Quote for New Construction in Waterville
Fill out the form or call (207) 549-0064 and we will get back to you promptly.
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